cpio 2.11 CPIO File util.c cpio_safer_name_suffix memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in cpio 2.11. It has been classified as critical. The affected element is the function cpio_safer_name_suffix of the file util.c of the component CPIO File Handler. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2016-2037. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in cpio 2.11. This issue affects the function cpio_safer_name_suffix of the file util.c of the component CPIO File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The cpio_safer_name_suffix function in util.c in cpio 2.11 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted cpio file.

The weakness was published 02/22/2016 by Gustavo Grieco (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2016-2037 since 01/22/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 88740 (Debian DLA-415-1 : cpio security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196404 (Ubuntu Security Notification for Cpio Vulnerabilities (USN-2906-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (88740), SecurityFocus (BID 82293†) and Vulnerability Center (SBV-57379†). Similar entry is available at VDB-74247. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88740
Nessus Name: Debian DLA-415-1 : cpio security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703483
OpenVAS Name: Debian Security Advisory DSA 3483-1 (cpio - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2016 🔍
01/19/2016 +0 days 🔍
01/22/2016 +3 days 🔍
02/15/2016 +24 days 🔍
02/16/2016 +1 days 🔍
02/22/2016 +6 days 🔍
02/22/2016 +0 days 🔍
02/23/2016 +1 days 🔍
03/17/2016 +23 days 🔍
07/08/2022 +2304 days 🔍

Sourcesinfo

Advisory: USN-2906-1
Researcher: Gustavo Grieco
Status: Not defined

CVE: CVE-2016-2037 (🔍)
GCVE (CVE): GCVE-0-2016-2037
GCVE (VulDB): GCVE-100-81065
SecurityFocus: 82293 - CPIO CVE-2016-2037 Out of Bounds Write Denial of Service Vulnerability
SecurityTracker: 1035067
Vulnerability Center: 57379 - cpio 2.11 Remote DoS in cpio_safer_name_suffix() in util.c, Medium

See also: 🔍

Entryinfo

Created: 02/23/2016 09:42
Updated: 07/08/2022 11:44
Changes: 02/23/2016 09:42 (70), 02/01/2019 14:40 (14), 07/08/2022 11:44 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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